Continue with 2016 and 2017.

2017/d2.py

@@ -0,0 +1,26 @@
+from lib import *
+
+data = open(0).read().strip()
+
+
+m = list(map(str_to_ints, data.splitlines()))
+
+s = 0
+for row in m:
+    s += (max(row) - min(row))
+
+print(s)
+
+
+s = 0
+for row in m:
+
+    for i in range(len(row)):
+        for j in range(i + 1, len(row)):
+            if row[i] % row[j] == 0:
+                s += row[i] // row[j]
+            if row[j] % row[i] == 0:
+                s += row[j] // row[i]
+
+print(s)
+